Question 178
A basketball championship has been played by the league system with two laps (each pair of teams meet twice) and without a draw (if the match ends in a draw there are extras until one of the two wins). The match winner gets 2 points and the loser 1 point. At the end of the championship, the sum of the points obtained by all the teams except the champion is 2015 points. How many games has the champion won?